- Cleaning method 1. Soak about 5~8 minutes with 75% alcohoI. 2. Using ultraviolet to disinfect for about 45 minutes. - Come with a transparent protective box for holding the TinkSky roller. Attentions - Do not force the roller into the skin but simply use mild pressure. - Roll obliquely at the same intensity covering the same areas in both directions (vertically and horizontally). - The roller cannot be overused as the needles will remain sharp for a prolonged time. - Not suitable for use onto the following skin conditions: active acne, eczema, rosacea, peonasis, servere solar karatosis and raised moles or warts. - Keep out of reach of children. Excellent quality micro needle roller system.An effective anti-aging tool.Reduce the common signs of aging, such as wrinkles, facial sag, etc.Promote blood circulation and make your skin tighten, elastic.Effectively improve scar, stretch marks, acne, etc.Also can be applied onto the entire body.Made of safe material, friendly and harmless.No side effect on human body, please be assured to use.Product Size14*3.2cmMicro Needle Roller Derma Roller Dermaroller Titanium Hair Regrowth Beard Growth Anti Hair Loss Treatment Thinning Hair RecedingFeatures - Needle length:1mm. - Color: black (handle)+purple (roller). - Material: medical-grade stainless steel (needle) and hard plastic (handle). - 100% new and high quality 540-Needles Micro-needle Roller Medical Therapy Skin Care Tool. - A common cosmetic procedure for treating many conditions by stimulating collagen and elastin production. - Stimulate the collagen production. - Improve elasticity of skin. - Smoothen acne scars. - Promote skin rejuvenation and improve alopecia.- Mildly roll 10 times vertically and horizontally. - Can be used on all areas of the face, neck and body and scalp.- Can be used by yourself anytime at your personal convenience. - Different needle lengths have different - Cleaning method 1. Soak about 5~8 minutes with 75% alcohol. 2. Using ultraviolet to disinfect for about 45 minutes. - Come with a transparent protective box for holding the TinkSky roller. Attentions - Do not force the roller into the skin but simply use mild pressure. - Roll obliquely at the same intensity covering the same areas in both directions (vertically and horizontally). - The roller cannot be overused as the needles will remain sharp for a prolonged time. - Not suitable for use onto the following skin conditions: active acne, eczema, rosacea, peonasis, servere solar karatosis and raised moles or warts. - Keep out of reach of children.DRS 540 derma roller micro needles 1mm / Healthy Care 540 Derma Roller needle Instrument for Face 0.5mm - Titanium Needles Skin Care ToolFeature:Needle length (mm): 0.5 mm1.Wrinkle removal, acne removal, improve scar, rejuvenation.2.Improve wrinkle and fine lines.3.The narrow focus of the site (glabellum, wrinkle, scar).4.Shrink pores.How to use needle derma roller kit?1. Cleanse your face thoroughly and pat dry with a clean towel2. Clean the head of the needle roller with alcohol (fill a small cup and submerge roller head for 5 minutes)3. Does not force the facial roller on to your skin, only apply mild pressure.4. Apply your cream to keep your skin moist when derma pen rolling (We recommend a simple hyaluronic acid)5. Roll the machine in up-down, left-right and in diagonal motions 4 to 8 times each area.6.After rolling the needle, you can use the hydrating mask, no need to use other skin care products.HOW TO USE IT1. Rinse needle roller in warm water.2. Sanitize with alcohol and let it air dry.3. After cleaning your derma roller, place in the storage that is provided.Safety Warnings:Do not use the dermaplaning tool on eyelids or lips.Do not use the kit if you are currently having acne breakouts or any skin condition.roller is for personal use only. Do not share. Do not use roller on infected or irritated skin. Always store this face roller out of reach of children.